Home / 98,716.04-136,228.15-53,394.03

Finding the Fourth Proportional to 98,716.04, 136,228.15 and 53,394.03

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Solution

The fourth proportional to 98,716.04, 136,228.15 and 53,394.03 is: 73,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,716.04 : 136,228.15 = 53,394.03 : x
  2. Step 2: Convert to fraction form
    98,716.04/136,228.15 = 53,394.03/x
  3. Step 3: Cross multiply
    98,716.04x = 136,228.15 × 53,394.03
  4. Step 4: Simplify right side
    98,716.04x = 7,273,768,979.83
  5. Step 5: Solve for x
    x = 7,273,768,979.83/98,716.04
  6. Step 6: Final answer
    x = 73,683.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.